Þroskun
Þroskun is an Icelandic noun meaning maturation, development, or ripening. It denotes the process by which something becomes more fully formed, capable, or advanced from an earlier stage. The word is formed from the verb þroska, “to mature” or “to develop,” and is used across many fields to describe progressive change.
In biology and medicine, þroskun refers to developmental processes such as embryonic development (fósturþroskun) and bodily
The term is closely related to, but distinct from, þróun, which more often conveys broader or longer-term